#include<bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
	int x;
	cin >> x;
	if(x == 0)
		cout << "停";
	else if(x == 1)
		cout << "行";
	else if(x == 2)
		cout << "等";
	else
		cout << "出错";
	return 0;
}
